This research was carried out in order to predict the social anxiety based on the level of stress and timidity in students of Islamic Azad University of Boroujerd. The present research was fundamental in terms of purpose, and it was descriptive-correlation with the type of prediction in terms of method. The statistical sample of this research was composed of two-hundred undergraduate and master students in Azad Islamic University of Boroujerd, and all of them participated in this study. Data were collected by using social anxiety (SPIN_2000), Stofford's timidity and stress (DASS_21) questionnaires. The Pearson Correlation Coefficient and Multivariate Regression Analysis were applied to analyze the data by step by step method. Data Analysis showed that social anxiety is predictable based on stress and timidity, and these two variables could predict twenty-six percent of variant variance of social anxiety. Research findings indicated the significance of stress and timidity in social anxiety. Most of the university students encounter different stressors and factors that cause their anxiety in social occasions to be appeared. Also, these findings can raise the importance and role of timidity in outbreak of social anxiety disorder to a great extent, however it has not still considered as a separate disorder.
